leby tariffs on imports

Why not have State governments levy tariffs on imports, or tax other states' products. Would this be a sensible way to raise revenues? What are the advantages/disadvantages? Provide research to support positions. Brief with bullet points will suffice.

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Why not have State governments levy tariffs on imports, or tax other states' products. Would this be a sensible way to raise revenues? What are the advantages/disadvantages? Provide research to support positions. Brief with bullet points will suffice.
The state government are not allowed to levy taxes on imports. The American Government Limitation of Congress and States (Sections 9-10 American Constitution). If the states were allowed to levy tariffs on imports ...